Zack Kelly is a professional baseball pitcher currently with the Boston Red Sox in Major League Baseball. This tag page features news, updates, and articles covering his career progression from signing as an undrafted free agent with the Oakland Athletics in 2017, through his time with the Los Angeles Angels, and his breakthrough with the Red Sox starting in 2021. Coverage includes his MLB debut in 2022, performance statistics, injury updates, and recognition such as the Lou Gorman Award. The tag is relevant for following his development as a reliable relief pitcher and his contributions to professional baseball.